Transmittance and attenuance of the water column; Chlorophyll pigment concentrations in water bodies; Other physical and chemical properties of suspended particulate material; Raw fluorometer output; Vertical velocity of the water column (currents); Suspended particulate material setting velocity parameters; Salinity of the water column; Horizontal velocity of the water column (currents); Temperature of the water column; Concentration of suspended particulate material in the water column; Suspended particulate material grain size parameters

The objectives of the Regions of Freshwater Influence (ROFI) project at the School of Ocean Sciences are as follows: 1. to make measurements of turbulent dissipation through the water column in contrasting shelf sea regimes; 2. to observe variations in the vertical distribution, size and fall velocity spectra of suspended particles and relate to changes in the turbulent dissipation; To meet these objectives long term moorings have been deployed in the Irish Sea and the Clyde Sea measuring currents, transmittance, fluorescence and temperature and salinity, CTD profiles together with fluorescence and transmittance measurements have been made, and shipborne ADCP data have been collected. In addition, profiles of turbulent dissipation, grab samples, suspended matter samples and settling velocity measurements have been taken.